Xiaoying Chen

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With the increasing of requirements from many aspects, various queries and analyses arise focusing on social network. Queries like finding users, friends or social activities satisfying a certain period gives temporal insights into retrieval or statistics, hence augmenting temporal query capability in such context, temporal social network (TSN), is(More)
With the development of various Cloud system, providing powerful kNN query capability to DaaS (Database as a Service) is an essential requirement for many applications. In this paper, we are interested in two opposite approaches for processing kNN query in Cloud system, parallel processing and sequential processing, and we want to explore the answer of(More)